Kupang is the capital city of the East Nusa Tenggara covering the area of Flores, Sumba, Timor and Alor. The area of Timor has counted to include Roti, Savu, Semau island and other small island around. It comprises by several small islands Timor is also has rivers Noelmina and Benain - Mountain : Mutis. Humidity range from 70% - 95% with the lowest rainfall rating on Indonesia.

Being the main administration office of East Nusa Tenggara province, Kupang - on Timor is the main city on the East Nusa Tenggara. This province stretches between the east longitude of 118° and 125°, and between the southern latitude lines of 1 18° and 125°, and between the southern latitude lines of 8° and 12°. The territory of East Nusa Tenggara Province comprises 566 islands.

The islands are generally semi-arid, with a longer dry season lasting from March to November. The wet season lasts from December to March, but can be considerably shorter and small island of Savu. Flores has an irregular coastline and rugged landscape due to its volcanic origin. The vegetation is plentiful and rich in diversity. Wildlife includes species of lizards, monkeys and parrots. There is also an abundant marine life with reef sharks, sperm whales, dolphins and tropical fish. East Nusa Tenggara is mountainous, and very steep slopes are everywhere besides some not too wide plateaus or uplands. The lowlands are a long the coastal areas only. Despite of the situation, most part of this region is not fertile, since the rainfall varies between 500 mm and 2000 mm a year.